13 entries under unintelligibility topic. ×

11
inexplicable(adjective, strange, explanation, unable, unfathomable)
6
incomprehensible(adjective, strange, unfathomable, inexplicable, unexplained)
5
insolvable
4
impenetrable(adjective, strange, unable, inexplicable, unexplained)
4
inscrutable(adjective, strange, inexplicable, unexplained)
4
unfathomable(adjective, strange, unable, inexplicable, unexplained)
3
unaccountable(adjective, unable, answered)
1
inapprehensible
1
unknowable(adjective, strange, unknown, curious, concealed)
0
incognizable
0
undecipherable
0
undiscoverable
0
unintelligible
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APASmart Define. (2015). insoluble thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/insoluble/thesaurus/synonyms
ChicagoSmart Define. 2015. "insoluble thesaurus" https://smartdefine.org/insoluble/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, insoluble thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/insoluble/thesaurus/synonyms>.
MLASmart Define. "insoluble thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/insoluble/thesaurus/synonyms>